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Join experts in discussing differential geometry topics. This includes manifolds, Tensors and forms. Connections and curvature also. Differential and algebraic topology discussion.
Graduate Sudden confusion about definitions of singular homology
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Graduate Prove volume of a torus equation
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Undergrad Shortest distance between lines .
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Graduate Is There an Isomorphism Between G-Invariant Forms and De Rham Cohomology?
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Graduate HelpA problem about embedded surface.
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Graduate How to find a trivialization of a torus
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Graduate Attaching maps in a product of CW-complexes
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High School Can curves be parallel to each other？
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Undergrad How can contour map data be used to determine volume?
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Graduate Proving Ellipse When Viewing Circle with Non-Perpendicular Line of Sight
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Graduate Distance between two points on some surface
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Graduate Parallel transport analog of Stoke's theorem
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Graduate Proving That a Lorentzian Structure Cannot be Put on S^2
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Graduate Curvature form of Cartan connections
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Graduate Coordinate transformation of contravariant vectors.
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Graduate Musings on the physicists/mathematicians barrier
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Graduate Index notation is driving me CRAZY
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Graduate How Does Alexander-Whitney Duality Relate to Natural Transformations?
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Graduate Homology of a connected sum: What is the nth homology group of M#N?
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Graduate Why is the tangent space of a lie group manifold at the origin the lie algebra?
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Graduate How Is the Adjoint Boundary Operator Defined in Simplicial Complexes?
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Graduate Understanding Pereleman's Proof: Essential Fields of Interest in Topology
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Undergrad Equation of a circle through 3 points in 3D space
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Graduate Mathematica free tensor package?
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Graduate Image reflected from cone interior with r=h
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Graduate Linkage analysis using intersection of three sphere
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Graduate Trouble understanding derivation of covariant derivative
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Graduate Can a spinning thread form a helix through gravity and force?
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Graduate What mistake did I make in proving that all tangent bundles are trivial?
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Graduate Iterated Function Sequences Accumulation: Help
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Undergrad General Relationship Between Area & Perimeter
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Graduate Another algebra question in algebraic topology
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Graduate How are these two proofs for the compactness of [a,b] equivalent?
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Graduate Why do rotations and reflections behave differently in R^2 and R^3?
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Graduate Algebraic topology, groups and covering short, exact sequences
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Graduate Algebra question in algebraic topology
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Graduate Best high-level introduction to classic geometry?
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Graduate Intersection Form in 4-D. Followup.
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Graduate Jordan-Brouwer separation theorem
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Undergrad Formula for Area of Overlapping Rings?
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Graduate Surface representative of homology class.
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Graduate Show H & \bar{H} Topological Groups if H Subgroup of G
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Graduate Surface Homeomorphism Between Cubes and Spheres?
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Graduate Topological Groups to Properties and Solutions
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Graduate Proving Invariance of Domain Theorem
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Graduate Algebraic Topology: Showing Cone(L(X,x)) is Homeomorphic to P(X,x)
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Graduate Normal subgroup; topological group
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High School How to get the coordinates inside
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Undergrad Another index notation question hopefully pretty easy
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Graduate What Determines the Degree of a Continuous Map Between Spheres?
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Graduate Homology of S^n x R: Hatcher's Theorem 2B.1
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Graduate Bundles and global sections, triviality.
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Graduate Uncountable Homology Classes in Hawaiian Earrings?
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Graduate Why Is the Inverse Image of a Regular Value in an Immersion a Finite Set?
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Graduate Open Base and Cover for Topological Space X: Understanding the Relationship
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Graduate Question about what index notation is telling me
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Graduate About the definition of local degree
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Graduate Question of algebraic flavor in algebraic topolgy
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Undergrad What is the next number in the sequence?
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Graduate Defining the integral of 1-forms without parametrization
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Graduate Handles and non-orientible 3D manifolds
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Graduate Inclusions of submflds. and diffeomorphisms.
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Graduate Compactification and Extension of maps.
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Graduate Induced Orientation on Mfld. Boundary.
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Graduate Inverse of tensor using Einstein notation
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Graduate Understanding Open and Closed Sets in Metric Spaces
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Undergrad Calculating Distance on a Spherical Earth Using Trigonometry
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Graduate How to encode direction information?
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Graduate Homology of the Klein Bottle using M-V sequences
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Graduate Orientations of curves and diffeomorphism
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Undergrad Calc height of cone with only volume and angle
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Undergrad Interactive Visualization for Adding/Subtracting Planes
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Graduate Homology of spheres from the M-V sequence
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Undergrad How do you get the Klein Bottle from two Möbius Strips?
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Graduate Understanding the Non-Manifold Property of Euclidean Half-Space
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Graduate Riemann Geometry: Where is the Flaw in My Thinking?
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Graduate Homotopies between circles and paths in the annulus {z: 0<a<|z|<b }
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Graduate What is the Connection Between Lie Derivation, Flows, and Vector Fields?
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Graduate Open subspace of a compact space
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Graduate Is Professor Rudin's Reasoning in Theorem 1.10 Correct?
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High School Solving the Cylinder Volume Problem
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Graduate Show Uniform Convergence of Sequence of Functions on Set X
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Graduate Radii of curvature for pseudosphere
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Graduate Clarifying Topology Basics: What is U?
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Graduate Is [0,1] Open or Closed in the Metric Space [0,1] U [2,3]?
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Graduate Are Generalized Coordinates Necessary for Simplifying Complex Systems?
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Graduate Homology Q: Hatcher Top Page 125 - Isomorphism Explanation
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Graduate Convergence of fn: R->R to f: R->R
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Undergrad Arc Length to Radius Ratio: Why Equal?
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Undergrad Similar Triangles Formed by Diagonals of Quadrilateral in Circle
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Graduate 4D angular coordinate system and corresponding hypervolume element
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Graduate Diffeomorphism vs. homeomorphism
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Graduate Vector Fields on S^2, 0 only at 1 point.
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Graduate What Is the Difference Between a Closed Set and a Complete Set in Topology?
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Graduate Is the Tangent Bundle of the 2-Sphere Trivial?
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Graduate Change of Coordinate for V.Field in Mfld.
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Graduate Question about 4-vectors/tensors from a complete novice
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Graduate Orthonormal tetrad/frame name question
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Graduate Is C^n Homeomorphic to C^n/S_n in Polynomial Root Mapping?
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Graduate Convex Subsets of Topological Vector Spaces
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